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Sitagliptin phosphate/metformin hydrochloride FDC

Merck Sharp & Dohme LLC · FDA-approved active Small molecule

Sitagliptin phosphate/metformin hydrochloride FDC is a DPP-4 inhibitor / biguanide combination Small molecule drug developed by Merck Sharp & Dohme LLC. It is currently FDA-approved for Type 2 diabetes mellitus. Also known as: Janumet®.

This combination drug inhibits dipeptidyl peptidase-4 (DPP-4) to increase incretin levels while metformin reduces hepatic glucose production and improves insulin sensitivity.

This combination drug inhibits dipeptidyl peptidase-4 (DPP-4) to increase incretin levels while metformin reduces hepatic glucose production and improves insulin sensitivity. Used for Type 2 diabetes mellitus.

At a glance

Generic nameSitagliptin phosphate/metformin hydrochloride FDC
Also known asJanumet®
SponsorMerck Sharp & Dohme LLC
Drug classDPP-4 inhibitor / biguanide combination
TargetDPP-4 enzyme / metformin (AMPK pathway)
ModalitySmall molecule
Therapeutic areaDiabetes
PhaseFDA-approved

Mechanism of action

Sitagliptin is a DPP-4 inhibitor that prevents the breakdown of glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic polypeptide (GIP), thereby increasing insulin secretion in response to meals and reducing glucagon secretion. Metformin is a biguanide that decreases hepatic glucose production and improves peripheral insulin sensitivity. Together, they provide complementary glucose-lowering effects in type 2 diabetes.

Approved indications

Common side effects

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

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Frequently asked questions about Sitagliptin phosphate/metformin hydrochloride FDC

What is Sitagliptin phosphate/metformin hydrochloride FDC?

Sitagliptin phosphate/metformin hydrochloride FDC is a DPP-4 inhibitor / biguanide combination drug developed by Merck Sharp & Dohme LLC, indicated for Type 2 diabetes mellitus.

How does Sitagliptin phosphate/metformin hydrochloride FDC work?

This combination drug inhibits dipeptidyl peptidase-4 (DPP-4) to increase incretin levels while metformin reduces hepatic glucose production and improves insulin sensitivity.

What is Sitagliptin phosphate/metformin hydrochloride FDC used for?

Sitagliptin phosphate/metformin hydrochloride FDC is indicated for Type 2 diabetes mellitus.

Who makes Sitagliptin phosphate/metformin hydrochloride FDC?

Sitagliptin phosphate/metformin hydrochloride FDC is developed and marketed by Merck Sharp & Dohme LLC (see full Merck Sharp & Dohme LLC pipeline at /company/merck).

Is Sitagliptin phosphate/metformin hydrochloride FDC also known as anything else?

Sitagliptin phosphate/metformin hydrochloride FDC is also known as Janumet®.

What drug class is Sitagliptin phosphate/metformin hydrochloride FDC in?

Sitagliptin phosphate/metformin hydrochloride FDC belongs to the DPP-4 inhibitor / biguanide combination class. See all DPP-4 inhibitor / biguanide combination drugs at /class/dpp-4-inhibitor-biguanide-combination.

What development phase is Sitagliptin phosphate/metformin hydrochloride FDC in?

Sitagliptin phosphate/metformin hydrochloride FDC is FDA-approved (marketed).

What are the side effects of Sitagliptin phosphate/metformin hydrochloride FDC?

Common side effects of Sitagliptin phosphate/metformin hydrochloride FDC include Hypoglycemia, Gastrointestinal disturbances (nausea, diarrhea, abdominal pain), Headache, Upper respiratory tract infection, Nasopharyngitis.

What does Sitagliptin phosphate/metformin hydrochloride FDC target?

Sitagliptin phosphate/metformin hydrochloride FDC targets DPP-4 enzyme / metformin (AMPK pathway) and is a DPP-4 inhibitor / biguanide combination.

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